7
120.46, 116.76, 79.98, 49.57, 28.52; HRMS (ESI), [M + H]+
Calcd for C15H23N2O2, (m/z): 263.1760, found 263.1755.
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The authors declare no conflict of interest.
Acknowledgements
This work was supported by DST and CSIR, New Delhi. A. A,
A. M, and G.R gratefully acknowledge DST-INSPIRE, UGC and
Department of Chemistry, University of Delhi, Delhi, for the
fellowships, respectively. M.S thanks UGC for award of
DSKPDF.
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